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Error: ServiceLegitimatedForLevel1

Created by: @AutoGen_40724 at: 10/16/2023 8:23 AM (6 Replies)

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10/16/2023 8:23 AM	Rate (0)
@AutoGen_40724 Posts: 4 Rating: (0)	Hi there, I'm having a problem with my OPC UA server with the S7-1500 plc. I'm trying to send some tags to my OPC but then I'm getting this error: SeverLegitimatedForLevel1. Is there someone that can explain this and has a solution? Also, I couldn't find anything about this error on the forum or internet. For more info, I'm using this to connect the plc to ignition scada. I already have tags send to my Ignition scada, but after I added some tags it gave me this error.
@AutoGen_40724 Posts: 4 Rating: (0)	Last edited by: U_fab4661e-e586-4482-8a61-978dc13be67c at: 10/16/2023 08:27:52 Last edited by: @AutoGen_40724 at: 10/17/2023 06:26:29 Last edited by: @AutoGen_40724 at: 10/17/2023 06:31:15
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10/19/2023 9:28 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/20/2026 Posts: 16653 Rating: (1944)	Hello @AutoGen_40724 so your S71500 isOPC UA Client Which security settings do you use? Check the basic FAQ perhaps you are missing something: https://support.industry.siemens.com/cs/de/en/view/109762770 Bye Murof
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10/24/2023 11:35 AM	Rate (0)
@AutoGen_40724 Posts: 4 Rating: (0)	these are the security settings and errors i get Attachment Forum screenshot2.zip (302 Downloads)
@AutoGen_40724 Posts: 4 Rating: (0)	Last edited by: @AutoGen_40724 at: 10/25/2023 08:15:06 Last edited by: @AutoGen_40724 at: 10/25/2023 08:17:09
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This contribution was helpful to 1 thankful Users Jen_Moderator

10/25/2023 6:51 AM	Rate (0)
Jen_Moderator Posts: 8171 Rating: (174)	Hello @AutoGen_40724, please add your images as an attachment to your post. The following formats are supported: If you want to attach more than one file, please create a zip file. Best regards, Jen_Moderator
Jen_Moderator Posts: 8171 Rating: (174)
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This contribution was helpful to 1 thankful Users @AutoGen_40724

10/25/2023 8:30 AM	Rate (0)
@AutoGen_40724 Posts: 4 Rating: (0)	I have tried to change some setting but they didn't work. I figured out that it has something to do with a limit of the amount of tags that I want in my server but I already have the large Run time license so is their a way to send more tags? I currently have around 19700 tags in my server and that is working so I think the limit is around 20000.
@AutoGen_40724 Posts: 4 Rating: (0)
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10/27/2023 8:23 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/20/2026 Posts: 16653 Rating: (1944)	Hello Which PLC do you use exactly? If you use a large OPC UA license you then you should have a 1517 or 1518? In the technical data there are limits listet that are about 5000 nodes in onde client interface... https://support.industry.siemens.com/cs/ww/en/pv/6ES7517-3AP00-0AB0/td?dl=en Bye Murof
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This contribution was helpful to 1 thankful Users @AutoGen_40724

10/31/2023 8:12 AM	Rate (0)
@AutoGen_40724 Posts: 4 Rating: (0)	Hi Murof, Yes, I'm using a 1517 plc and the error of 5000 nodes did pop up earlier in my project but when I changed the license to large it went away. But now I have more like 20000 tags and I'm facing this error. I don't know where the problem comes from. Is there a limit to what one server can handle or something? or has it something to do with how I have my PLC configured? And I'm using the server interface instead of the client interface. Maybe something to do with that? I also found that the maximum number of nodes that can be registered is 50000 and I'm only using 20000.
@AutoGen_40724 Posts: 4 Rating: (0)	Last edited by: @AutoGen_40724 at: 10/31/2023 08:13:50 Last edited by: @AutoGen_40724 at: 11/01/2023 10:22:02
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